package com.wanxi.servlet.device;

import com.alibaba.fastjson.JSONObject;
import com.wanxi.VO.DeviceClassVO;
import com.wanxi.VO.DeviceVO;
import com.wanxi.dto.ResultDTO;
import com.wanxi.service.DeviceClassService;
import com.wanxi.service.DeviceService;
import com.wanxi.service.impl.DeviceClassServiceImpl;
import com.wanxi.service.impl.DeviceServiceImpl;
import com.wanxi.util.Tool;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : 林子淳
 * @create 2023/3/2 18:31
 */
//@WebServlet("/back/device/findById")
public class DeviceFindByIdServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //1、乱码
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        System.out.println("进入了修改后台");
        //2、接收前端传过来的值
        String id = req.getParameter("id");
        System.out.println("DeviceUpdateServlet的id="+id);
        ResultDTO resultDTO=null;
        try{
            //3、封装数据
            DeviceVO deviceVO = new DeviceVO();
            deviceVO.setId(Tool.strToInt(id));
            //4、调用逻辑层
            DeviceService deviceService = new DeviceServiceImpl();
            //5、接收逻辑层返回的值
            resultDTO = deviceService.findById(deviceVO);

        }catch (Exception e){
            e.printStackTrace();
        }
        //6、把值返回给前端
        resp.getWriter().println(JSONObject.toJSONString(resultDTO));
    }

}
